uni-bonn.de
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Hosting Provider
IP Address
131.220.250.29
Server Location
🇩🇪 Bonn, Germany
ASN
AS680
Organization
Rheinische Friedrich-Wilhelms-Universitaet Bonn
CDN
CDN
Nameservers
Performance
Page Speed
Architecture Stack
SEO Analysis
503 Backend fetch failed
No description available for this page.
Recommended: 50-60 chars
Recommended: 120-160 chars
Issues (2)
- • Missing meta description - important for click-through rates
- • Missing viewport meta tag - page may not be mobile-friendly
7 issues found
Upgrade to view detailsCrawlability
251 rules
Sitemap reference found
Allows all crawlers
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Security Score
HTTPS
No WAF
80d
Certificate Details
Type
Domain Validated (DV)
Certificate Authority
Let's Encrypt
Key Algorithm
ECDSA (secp384r1) (384 bit)
Signature
ECDSA with SHA-384
TLS Version
TLSv1.3
HTTP Protocol
HTTP/2
Valid From
03.02.2026
Valid Until
04.05.2026
Subject Alternative Names (1)
SHA-256 Fingerprint
9A:A3:A8:A6:8E:E5:DF:51:C6:A6:B4:49:D7:AD:C4:D8:13:2C:8D:08...
Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Custom Mail Server
Score
65
DMARC Policy
None (Monitor Only)
MX Records (3)
Domain Information
uni-bonn.de
Last Updated
14.05.2025
Typography & Readability
Times New Roman
16px · LH --
2x ratio
Contrast: undefined
1 font
Heading Font
Times New Roman
Body Font
Times New Roman
Contrast Ratio
--
Reading Comfort
Single Font Family
left aligned✅ Excellent readability: 16px body text is ideal for all devices.
✅ Strong hierarchy: Headlines are 2.0x larger than body text.
✅ Good performance: Using 1 font families keeps load times fast.
✅ Consistent design: Single font family with weight variations is a modern best practice.
✅ Clean layout: Consistent left alignment throughout.
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Historical Analysis & Change Tracking